(19)

(11)

EP 4 173 302 A1

(12)

(43) Date of publication: 03.05.2023 Bulletin 2023/18 (21) Application number: 21742263.3 (22) Date of filing: 22.06.2021

(51) International Patent Classification (IPC):  H04N 21/234(2011.01) H04N 21/472(2011.01) H04N 21/44(2011.01) H04N 21/858(2011.01) (52) Cooperative Patent Classification (CPC): H04N 21/23412; H04N 21/44012; H04N 21/47205; H04N 21/8586; H04L 65/1069; H04L 65/80; H04L 65/612; H04N 21/85406; H04N 21/816 (86) International application number: PCT/US2021/038390 (87) International publication number: WO 2021/262660 (30.12.2021 Gazette 2021/52)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR Designated Extension States: BA ME Designated Validation States: KH MA MD TN (30) Priority: 24.06.2020 US 202063043491 P 21.06.2021 US 202117352597 (71) Applicant: QUALCOMM INCORPORATED San Diego, California 92121-1714 (US)	(72) Inventors: BOUAZIZI, Imed San Diego, California 92121 (US) STOCKHAMMER, Thomas San Diego, California 92121 (US) (74) Representative: Howe, Steven  Reddie & Grose LLP The White Chapel Building 10 Whitechapel High Street London E1 8QS London E1 8QS (GB)